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TranscriptionalRegulatory Networksin Response toAbiotic Stresses inArabidopsis andGrasses Kazuo NakashimaYusuke ItoKazuko Yamaguchi‐Shinozaki2009 год

Transcriptional Regulatory Networks in Response to Abiotic Stresses in Arabidopsis and Grasses
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Аннотация: Various abiotic stresses such as drought, high salinity, high temperature, and low temperature negatively impact plant growth and productivity of crops.Plants have adapted to respond to these stresses at the molecular, cellular, physiological, and biochemical level, enabling them to survive.Various adverse environmental stresses induce the expression of a variety of genes in many plant species (Xiong et al., 2002;Shinozaki et al., 2003; Bartels and Sunkar, 2005).Numerous stress-induced genes have been identified using microarray experiments (Kreps et al., 2002;Seki et al., 2002).The products of these genes are thought to promote stress tolerance and to regulate gene expression through signal transduction pathways (Xiong et al., 2002;Shinozaki et al., 2003).Abscisic acid (ABA) is produced under water deficit conditions and plays an important role in the stress response and tolerance of plants to drought and high salinity.Exogenous application of ABA induces a number of genes that respond to dehydration and cold stress (Zhu, 2002;Shinozaki et al., 2003).Several reports have characterized genes that are induced by dehydration and cold stress, but do not respond to exogenous application of ABA in Arabidopsis (Arabidopsis thaliana;Zhu, 2002;Yamaguchi-Shinozaki and Shinozaki, 2006).This suggests the existence of ABAindependent and ABA-dependent signal transduction pathways that convert the initial stress signal into cellular responses.To better understand the molecular mechanisms regulating gene expression in response to abiotic stresses, including dehydration and cold stress, studies have initially focused on the analysis of Arabidopsis cis-and trans-acting elements and their role in mediating stress responses (Yamaguchi-Shinozaki and Shinozaki, 2006).Recently, abiotic stress-inducible genes and their cis-and trans-acting elements were
Год издания: 2009
Авторы: Kazuo Nakashima, Yusuke Ito, Kazuko Yamaguchi‐Shinozaki
Издательство: Oxford University Press
Источник: PLANT PHYSIOLOGY
Ключевые слова: Plant Stress Responses and Tolerance, Plant Molecular Biology Research, Plant Gene Expression Analysis
Другие ссылки: PLANT PHYSIOLOGY (PDF)
PLANT PHYSIOLOGY (HTML)
PubMed Central (HTML)
PubMed (HTML)